github.com/XiaoMi/Gaea@v1.2.5/util/util.go (about)

     1  // Copyright 2019 The Gaea Authors. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package util
    16  
    17  import (
    18  	"fmt"
    19  	"strconv"
    20  	"sync/atomic"
    21  	"time"
    22  )
    23  
    24  // BoolIndex rolled array switch mark
    25  type BoolIndex struct {
    26  	index int32
    27  }
    28  
    29  // Set set index value
    30  func (b *BoolIndex) Set(index bool) {
    31  	if index {
    32  		atomic.StoreInt32(&b.index, 1)
    33  	} else {
    34  		atomic.StoreInt32(&b.index, 0)
    35  	}
    36  }
    37  
    38  // Get return current, next, current bool value
    39  func (b *BoolIndex) Get() (int32, int32, bool) {
    40  	index := atomic.LoadInt32(&b.index)
    41  	if index == 1 {
    42  		return 1, 0, true
    43  	}
    44  	return 0, 1, false
    45  }
    46  
    47  // ItoString interface to string
    48  func ItoString(a interface{}) (bool, string) {
    49  	switch a.(type) {
    50  	case nil:
    51  		return false, "NULL"
    52  	case []byte:
    53  		return true, string(a.([]byte))
    54  	default:
    55  		return false, fmt.Sprintf("%v", a)
    56  	}
    57  }
    58  
    59  // Int2TimeDuration convert int to Time.Duration
    60  func Int2TimeDuration(t int) (time.Duration, error) {
    61  	tmp := strconv.Itoa(t)
    62  	tmp = tmp + "s"
    63  	idleTimeout, err := time.ParseDuration(tmp)
    64  	if err != nil {
    65  		return 0, err
    66  
    67  	}
    68  	return idleTimeout, nil
    69  }